diff --git a/arch/um/scripts/Makefile.unmap b/arch/um/scripts/Makefile.unmap
index 37a8f97..802d027 100644
--- a/arch/um/scripts/Makefile.unmap
+++ b/arch/um/scripts/Makefile.unmap
@@ -12,8 +12,8 @@
 
 quiet_cmd_wrapld = LD      $@
 define cmd_wrapld
-	$(LD) -r -o $(obj)/unmap_tmp.o $< $(shell $(CC) -print-file-name=libc.a); \
-	$(OBJCOPY) $(obj)/unmap_tmp.o $@ -G switcheroo
+	$(LD) $(LDFLAGS) -r -o $(obj)/unmap_tmp.o $< $(shell $(CC) $(CFLAGS) -print-file-name=libc.a); \
+	$(OBJCOPY) $(UML_OBJCOPYFLAGS) $(obj)/unmap_tmp.o $@ -G switcheroo
 endef
 
 $(obj)/unmap_fin.o : $(obj)/unmap.o FORCE